<!DOCTYPE html>
<html>
<head>
	<title>html css</title>
	<meta charset="utf-8">
	<style type="text/css">
		body{background-color: grey}
	</style>
	<link rel="stylesheet" type="text/css" href="css/1-6.css">

</head>
<body>
<h1>my first headline</h1>
<p>my first paragraph</p>

<!-- link  without under line-->
<a href="http://www.baidu.com" style="text-decoration:none;">test a link without underline </a>
</body>
</html>